Apparatus and method for winding coils of at least one electric wire conductor (W) on a coil support (10, 11, 10′, 11′) comprising a coil support (10,11) wound and assembled on a pole of a core of a dynamo electric machine, or a pole (10′,11′) wound and assembled to form the core of a dynamo electric machine; comprising: a wire dispenser (19), the wire dispenser having a passage portion (18) for the wire and an exit (23′) from where the wire reaches the coil support (10, 11, 10′, 11′) during winding; means (31,32) for pressing on the wire (W) during winding to bend the wire according to a configuration of the coil; means (20) for supporting and rotating the coil support with respect to the dispenser (19) to wind the wire on the coil support (10,11, 10′, 11′); means (40) for applying tension on the wire reaching the dispenser (19); means (24, 24′, 25, 25′, 26, 26′) for moving the dispenser (19) with respect to the coil support (10, 11, 10′, 11′).